<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>my web excel test</title>
</head>
<body>
  <div id="root">
    <button class="btn-insert-one-row">插入一行</button>
    <button class="btn-delete-one-row">删除一行</button>
  </div>
</body>
</html>